The Top Ten: World's Tallest Buildings
|December 10 - 17|
World's Tallest Buildings
A building differs from a tower in that the former is considered to be a structure that is designed for residential, business, or manufacturing purposes. Also, an essential characteristic of a building is that it has floors.
Prior to Sept. 11, 2001, World Trade Center 1 and World Trade Center 2 were listed as the 5th and 6th tallest buildings in the world. They were destroyed by a terrorist attack.
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